NYOJ题目822画图

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AC代码：

import java.util.Scanner;

public class Main {

    public static void main(String[] args) {
        
        Scanner sc=new Scanner(System.in);
        
        int n=sc.nextInt();
        for(int i=0;i<n;i++){
            System.out.println(repeate("*",n));
        }
        
    }
    
    public static String repeate(String s,int times){
        StringBuilder sb=new StringBuilder(s.length()*times);
        while(times-->0) sb.append(s);
        return sb.toString();
    }
    
}

 

题目来源: http://acm.nyist.net/JudgeOnline/problem.php?pid=822